题解 | #记负均正II#

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void (async function () {
    const nums = [];
    let cnt = 0;
    while ((line = await readline())) {
        const num = parseInt(line);
        if (num > 0) nums.push(num);
        if (num < 0) cnt++;
    }
    console.log(cnt);
    console.log(nums.length?(nums.reduce((pre,cur)=>pre+cur,0)/nums.length).toFixed(1):0 .toFixed(1));
})();